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13970 (1991 RH27)
Classification: Main-belt Asteroid          SPK-ID: 2013970
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873167274501782 7.725e-08  
a 2.244844361743998 1.3965e-08 AU
q 1.824347462267129 1.758e-07 AU
i 4.845113572384337 8.0791e-06 deg
node 149.5059608353646 6.8054e-05 deg
peri 167.83752957996 6.9892e-05 deg
M 304.5829789851155 1.8859e-05 deg
tp 2456989.611725185161
(2014-Nov-28.11172519)
6.5137e-05 JED
period 1228.507411980376
3.36
1.1464e-05
3.139e-08
d
yr
n .2930385250339463 2.7345e-09 deg/d
Q 2.665341261220867 1.6581e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      850  
   data-arc span      8245 days (22.57 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57516  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:04:51  

Additional Information
 Earth MOID = .810371 AU 
 T_jup = 3.604 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a PDS3 (MPC 39043)  

13970 (1991 RH27)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RH27 = 1991 TA6 = 1997 GA39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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